What happens to the calculated molarity of the sample if the burette was not washed with the standardized titrant prior to titration?   Increase Decrease No Effect Indeterminate

Q: The reaction described by the equation 0,(g)+NO(g) → 0,(g) + NO,(g) has, at 310 K, the rate law rate...

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Q: Choose the best set of reagents/conditions to convert 1,3-butadiene to 1,4-dibromo-2-butene

A: 1,3-butadiene to 1,4-dibromo-2-butene follows free radical mechanism.

Q: What is the formula of the ion formed when phosphorus achieves a noble-gas electron configuration

A: Atomic number of phosphorus is 15

Q: In a constant-pressure calorimeter, 60.0 mL of 0.310 M Ba(OH), was added to 60.0 mL of 0.620 M HCI. ...

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Q: Directions: Solve for what is being asked in each problem. Show your solutions and box your final an...

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Q: Arrange the compounds in order of INCREASING reactivity towards bromination. Toluene, Nitrobenzene,...

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Q: CH2

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Q: Which will explain acetylide anion formation from acetylene using NaNH2? Select the correct response...

A: An acetylide anion is generated from the reaction of acetylene with NaNH2.

Q: following by mplete hydrohalogenation of an alky ect the correct response: tetrahaloalkane O dihaloa...

A: Alkyne undergoes electrophilic addition reaction.  By complete hydrohalogention it converted into sa...

Q: For the reaction A + B C + D, calculate the Keq (in moles / litre to five significant figures) if a...

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Q: Decide whether spontaneous or non spontaneous, justify your answer

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Q: 15. Titanium (IV) chloride is reduced by magnesium to produce titanium according to the following re...

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Q: When the atom of Th-232 undergoes radioactive decay, an alpha particle, which has a mass of 4.0 a.m....

A: Given that, mass m= 4 amu  1 amu = 1.67377×10-27 Kg velocity v= 1.4×107 m s-1 Wavelength = ?

Q: Assume that in a certain cell, the ratio of products/reactants or Keq = 747.1 (Keq is dimensionless)...

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Q: For each described case, identify the reaction order with respect to the reactant, A. A - products A...

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Q: Which is the most stable? Select the correct response: CH;CH3 CH,CH3 CH,CH3 CH,CH3 CH,CH3 CH,CH3 CH2...

A: Heat of Hydrogenation : Heat of hydrogenation of an alkene is the standard enthalpy of catalytic hyd...

Q: Select the correct response: CH3CHCH,CH2 CH3 CH;CHCH,CH, CH3CH2CHCH3 CH3 CH;CH,CCH3 O CH;CH,CH,ČH,

A: Carbocation is species in which carbon is carrying positive charge. Carbon is sp2 hybridized in carb...

Q: Br CH;OH OCH; +

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Q: Part 3: Show how you would synthesize the following molecule from the provided starting materials. H...

A: Here we have to synthesize the target compound from the given starting materials in multistep reacti...

Q: Arrange the compounds in order of INCREASING reactivity towards bromination. (from LEAST TO GREATEST...

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Q: The H⁺ concentration in an aqueous solution at 25 °C is 5.5 × 10⁻⁴. What is [OH⁻]?   What is the c...

A: 1) [H+] =5.5×10-4 M [OH-] = ?  

Q: In the titration of Y(OH)3 with HX, which of the following equations should be used to calculate the...

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Q: UOmplete the following chemical reaction calalyst b) H3C ~ Ctz t Hz O arid, ) HgC CHs + Hz d H3C VCH...

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Q: a. Li/CuCL, b. 2 chloro2 methylpropane ČI

A: Detail mechanistic pathway is given below to find out the product

Q: 1. Calculate AH for the reaction: C2H4 (g) + H2 (g) --> C2H (g), from the following data. C2H4 (g) +...

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Q: tivity of water at 11 bar and 298 K is:

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Q: Which of the following atoms has the largest radius? a) F b)Cl c)Li d) Na

A: Which of the following atoms has the largest radius?  a) F b)Cl  c)Li d) Na

Q: 4.0 liters of a Barium Hydroxide solution of pH =10.5 is needed How many grams of Barium Hydroxide a...

A: Consider the given information is as follows; pH of solution = 10.5 Volume = 4.0 L Mass of barium hy...

Q: Determine the pH of a 0.625 M NH3 solution. The Kb of NH3 is 1.85 × 10-5.

A: Given,  The pH of a 0.625 M NH3 solution is: The Kb of NH3 is 1.85 × 10-5.

Q: Consider this initial rate data at a certain temperature in the table for the reaction OH"(aq) [OCI"...

A: Given reaction is :  Experimental data is :  And   

Q: Draw the major product formed when 1,3-cyclohexadiene reacts with this acid (HCl 1 equiv).

A: We have to draw major product of the given reaction.

Q: Convent Lon to

A: The above organic convertion is given below

Q: The standard cell potential E cell for the voltaic cell based on the reaction below is V. 3 Sn 4+ (a...

A: The electrode which has higher reduction potential acts as a cathode and the electrode with lower re...

Q: Given the set of compounds below: isopentane 4-methylcyclopent-1-ene toluene In separate test tubes,...

A: A question based on aromatic compounds that is to be accomplished. 

Q: recrystallization technique to purify a crude sample of benzoic acid. However, their instructor, Geo...

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Q: 4. Write the balanced equation for the reaction of 4-(bromomethyl)benzoic acid with methanol. 5. Com...

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Q: B+C B the change in the equilibrium constant Kc that would occur in each he temperature of the react...

A: As we know, by increasing temperature  Kc is increases for endothermic reactions while decreases for...

Q: A chemist went on a trip to Zambales to obtain a sample of chalcocite (copper (I) sulfide), one of t...

A: Metallic copper is heated in a hot plate and a different oxide of copper is formed. Here, we have to...

Q: The Mole Concept Sulfur compounds are converted to H2SO, while NO, compounds are converted to HNO3, ...

A: Sulfur compounds are converted to H2SO4 while NOx compounds are converted to HNO3 and NH3 reacts wit...

Q: The phosphodiesterase that catalyzes hydrolysis of cyclic AMP is inhibited by caffeine. What overall...

A: The phosphodiesterase that catalyzes hydrolysis of cyclic AMP is inhibited by caffeine. What overall...

Q: Suppose that 1.07 moles of A at 3.21 atm and 298.15 K and 8.02 moles of B at 4.30 atm and 298.15 K a...

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Q: What is the compounded chemical symbol for nitrous oxide? * NOa aNO A. B. NaOa Na0 D.

A: Nitrous oxide is also known as laughing gas...

Q: Please don't copy what causes electrons in an atom to emit energy after absorbing it? becoming elec...

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Q: 4. Given the following reaction, calculate AH°, AS°, and AG°. (25°C) 2P (s) 10 HF (g) → 2 PFs(g) + 5...

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Q: Q2. a) What is Atom Economy? Calculate Atom Economy for the following reactions, Synthesis of 1-brom...

A: This Question is based upon Atom Economy.

Q: How many atoms of sulfur are in 10.18 mol of tetrathionate (S4O6^-2) ion?

A: Given , Number of moles of tetrathionate ion We have to calculate number of sulfer atom in 10.18 mol...

Q: formula of the chemical species it represents. a. Benzene-1,2,3-tricarboxylic acid b. Piperazine c. ...

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Q: The logarithm of the molar absorptivity for acetone in ethanol is 2.75 at 366 nm. Calculate the acet...

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Q: help use significant figures please

A: Given, the balanced Chemical equation is -  Ag2O(s) + 2 HNO3(l) ----> 2 AgNO3(s) + H2O(l)  Temper...

Q: B. Calculate the molar H* ion concentration of a solution if the OH ion concentration is a. vinegar,...

A: Calculate [H+] by using [OH-] of the following---  

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.